#include<stdio.h>
#include<string.h>
#define MAXN 256
void build(int n,char *s1,char *s2,char *s);
int main()
{
	char s1[MAXN],s2[MAXN],ans[MAXN];
	scanf("%s%s",s1,s2);
	int n=strlen(s1);
	build(n,s1,s2,ans);            
	ans[n]='\0';
	printf("%s\n",ans); 
	return 0;
}
void build(int n,char *s1,char *s2,char *s)
{
	if(n<=0) return;
	int p=strchr(s2,s1[0])-s2;
	build(p,s1+1,s2,s);
	build(n-p-1,s1+p+1,s2+p+1,s+p);
	s[n-1]=s1[0];    
}
